powser1.go has not been tested - waiting for compiler to catch up

R=ken
OCL=15415
CL=15415

	binary <- is send
	unary <- is recv
	-< is gone
	case a := <-ch: works in select
	case a = <-ch: works in select
support for new cases is not yet in the compiler but all non-select
code works

second CL will update affected go source

R=ken
OCL=15414
CL=15414

R=r
DELTA=11  (8 added, 0 deleted, 3 changed)
OCL=15405
CL=15405

R=gri,rsc
OCL=15310
CL=15402

R=rsc
OCL=15400
CL=15400

R=r,presotto
OCL=15393
CL=15399

R=gri
DELTA=75  (57 added, 4 deleted, 14 changed)
OCL=15394
CL=15398

R=r
DELTA=764  (694 added, 38 deleted, 32 changed)
OCL=15285
CL=15395

add programs, not yet described, to demonstrate servers.

R=gri
DELTA=279  (177 added, 16 deleted, 86 changed)
OCL=15380
CL=15389

R=r
OCL=15375
CL=15375

R=r
OCL=15370
CL=15370

delete bug100.go since the compiler is doing what we agreed.

R=gri
OCL=15367
CL=15367

sort
2,3,5

R=gri
DELTA=648  (647 added, 0 deleted, 1 changed)
OCL=15315
CL=15352

R=r
OCL=15327
CL=15327

-- but only *struct tested

R=r
OCL=15326
CL=15326

R=r
OCL=15314
CL=15314

*** Reason for rollback ***

  <enter reason for rollback>

*** Original change description ***

correct signal name thru package rename

R=r
OCL=15313
CL=15313

R=r
OCL=15312
CL=15312

R=r
OCL=15311
CL=15311

compiler doesn't generate them any more

R=ken
OCL=15309
CL=15309

(as written, factors are 2, 3, and 5)

R=r
OCL=15286
CL=15286

2 added dynamic calls to throw for array bounds
  and 'fn wo return'
3 small optimization on index[constant]

R=r
OCL=15281
CL=15281

R=r
DELTA=812  (803 added, 0 deleted, 9 changed)
OCL=15225
CL=15280

R=r
DELTA=11  (11 added, 0 deleted, 0 changed)
OCL=15222
CL=15276

R=r
DELTA=66  (19 added, 9 deleted, 38 changed)
OCL=15232
CL=15265

R=r
DELTA=314  (306 added, 8 deleted, 0 changed)
OCL=15074
CL=15263

R=gri
DELTA=137  (134 added, 0 deleted, 3 changed)
OCL=15251
CL=15259

R=rsc
OCL=15244
CL=15244

R=r
DELTA=18  (12 added, 0 deleted, 6 changed)
OCL=15200
CL=15240

R=gri
OCL=15238
CL=15238

R=r
OCL=15235
CL=15235

- disassemble the instructions in a trace trap to see if it's a run-time trap
- if so, print relevant info
- avoid double-printing traceback on panic

R=ken,rsc
DELTA=66  (50 added, 7 deleted, 9 changed)
OCL=15199
CL=15224

R=r
DELTA=9  (9 added, 0 deleted, 0 changed)
OCL=15223
CL=15223

R=r
OCL=15221
CL=15221

R=r
OCL=15192
CL=15192

R=r
DELTA=24  (0 added, 10 deleted, 14 changed)
OCL=15188
CL=15188

separate between ints and floats, added language regarding the
type of numeric literals)
- added language with respect to the scope of labels
- introduced ideal types for the purpose of the spec
- added language to expressions, operands
- added some more formal language about ideal type conversion
  (probably not 100% correct yet)

R=r
DELTA=145  (69 added, 4 deleted, 72 changed)
OCL=15165
CL=15186

R=r
DELTA=34  (34 added, 0 deleted, 0 changed)
OCL=15178
CL=15181

R=r
OCL=15180
CL=15180

R=r
OCL=15179
CL=15179